Anti-interference connection structure of photoelectric encoder

Abstract

The utility model discloses an anti-interference connection structure of a photoelectric encoder, which comprises a photoelectric encoder main body, a protective cover is arranged on the outer side of the photoelectric encoder main body, a threaded groove is arranged on the top side of the protective cover, a reinforcing assembly is fixedly arranged on the inner side of the protective cover, and an anti-interference connection structure is arranged in the threaded groove in a threaded manner. According to the utility model, the protective cover and the anti-interference connection structure are arranged on the outer side of the photoelectric encoder main body, so that the photoelectric encoder main body is in a comprehensive protection state in a severe environment, thereby reducing the influence on the detection effect caused by the interference of external factors on the photoelectric encoder; in addition, second absorbent cotton and a sealing gasket which are connected in a clamped mode are arranged on the main shaft, water mist and dust are further prevented from entering, a rational sealing effect is achieved, the photoelectric encoder can be effectively protected, external interference is avoided, the detection effect can be improved, and the service life of the photoelectric encoder can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of photoelectric encoders, in particular to an anti-interference connection structure of a photoelectric encoder. Background Art

[0002] A photoelectric encoder is a sensor that converts the mechanical geometric displacement on the output shaft into pulses or digital quantities through photoelectric conversion. This is the most widely used sensor at present. In harsh industrial environments, photoelectric encoders may be corroded by pollutants such as dust, oil, and water mist, causing equipment damage or performance degradation.

[0003] The prior art has a publication number of CN220490088U. The technical solution disclosed in this patent document is as follows: a photoelectric encoder connection device, comprising a connecting plate and an encoder body, the encoder body being located on the left side of the connecting plate, a protective cover being provided on the left side of the connecting plate, the encoder body being located inside the protective cover, the right side of the protective cover being fixedly connected to evenly distributed connecting rods, the right end of the connecting rod being fixedly connected to the left side of the connecting plate, a fan being installed on the left side of the connecting plate, the fan being located on the right side of the encoder body, and a movable slot being provided at the bottom of the protective cover.

[0004] The above technical solution protects the photoelectric encoder by setting up a protective cover, but the protective cover does not fully cover the photoelectric encoder, and the protection range is not comprehensive enough. In harsh industrial environments, the photoelectric encoder is easily interfered with by external electromagnetic fields, external light and other factors, thereby affecting the detection effect and reducing the detection accuracy of the photoelectric encoder. Utility Model Content

[0005] The purpose of the present utility model is to provide an anti-interference connection structure of a photoelectric encoder to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an anti-interference connection structure of a photoelectric encoder, comprising a photoelectric encoder body, a protective cover is provided on the outside of the photoelectric encoder body, a threaded groove is provided on the top side of the protective cover, a reinforcement component is fixedly installed on the inside of the protective cover, and an anti-interference connection structure is threadedly installed in the threaded groove.

[0007] The anti-interference connection structure includes an anti-interference cover, a shaft sleeve is fixedly connected to the middle of the anti-interference cover, a sealing sleeve is provided on the top bolt of the shaft sleeve, a second absorbent cotton is provided above the inner wall of the shaft sleeve, two absorbent cottons are provided above and below, and a sealing gasket is provided below the inner wall of the shaft sleeve.

[0008] In the above technical solution, a protective cover and an anti-interference connection structure are arranged on the outside of the photoelectric encoder body, so that the photoelectric encoder body is in a fully protected state in harsh environments, thereby reducing the interference of external factors on the photoelectric encoder and affecting the detection effect. A snap-on absorbent cotton and a sealing gasket are arranged on the main shaft to further block the entry of water mist and dust, and have a rational sealing effect, thereby effectively protecting the photoelectric encoder, avoiding external interference, improving the detection effect and extending the service life of the photoelectric encoder.

[0009] As a further preferred embodiment of the present technical solution, a main shaft is provided at the output end of the photoelectric encoder body, a sealing groove is provided on the outer surface of the main shaft, and a connecting line is provided at the interface end of the photoelectric encoder body.

[0010] As a further preferred embodiment of the present technical solution, three sealing grooves are provided, and the second absorbent cotton and the sealing gasket are both clamped in the sealing grooves.

[0011] As a further preferred embodiment of the present technical solution, the reinforcement assembly includes a support plate, which is arranged on the inner side of the protective cover and in a circumferential direction. A reinforcement plate is arranged between two adjacent support plates, and an anti-interference layer is fixedly connected to the support plate and the inner side of the reinforcement plate.

[0012] In the above technical solution, the provided reinforcement component can provide strong protection for the photoelectric encoder and reduce damage to the photoelectric encoder.

[0013] As a further preferred embodiment of the present technical solution, a docking ring is fixedly connected to the bottom side of the anti-interference cover, the docking ring is threadedly connected to the thread groove, and absorbent cotton is provided on the bottom side of the docking ring.

[0014] In the above technical solution, the anti-interference cover is connected to the protective cover by a threaded connection, and the absorbent cotton is capable of absorbing small water droplets collected in the thread groove.

[0015] As a further preferred embodiment of the present technical solution, a snap-fit ​​structure is installed equidistantly above the outer surface of the protective cover, and the snap-fit ​​structure includes an L-shaped snap-fit ​​plate, which is movably connected to the protective cover through a connecting piece, and a rubber pad is provided on the bottom side of the L-shaped snap-fit ​​plate.

[0016] In the above technical solution, the anti-interference cover is further connected by the L-shaped snap plate to prevent the anti-interference cover from loosening.

[0017] As a further preferred embodiment of the present technical solution, the protective cover, support plate, reinforcement plate and anti-interference layer are made of metal.

[0018] In the above technical solution, the heat generated by the operation of the photoelectric encoder can be conducted and transferred.

[0019] The utility model provides an anti-interference connection structure of a photoelectric encoder, which has the following beneficial effects:

[0020] (1) The utility model provides a protective cover and an anti-interference connection structure on the outside of the photoelectric encoder body, so that the photoelectric encoder body is in a fully protected state in a harsh environment, thereby reducing the interference of external factors on the photoelectric encoder and affecting the detection effect. The anti-interference cover is connected to the protective cover by a threaded connection. The absorbent cotton 1 is capable of absorbing small water droplets collected in the thread groove. In addition, the absorbent cotton 2 and the sealing gasket are provided on the main shaft to further block the entry of water mist and dust, and have a rational sealing effect, thereby effectively protecting the photoelectric encoder, avoiding external interference, improving the detection effect and extending the service life of the photoelectric encoder.

[0021] (2) The utility model installs a snap-fit ​​structure and further connects the anti-interference cover through an L-shaped snap-fit ​​plate to prevent the anti-interference cover from loosening. The provided reinforcement component can provide strong protection for the photoelectric encoder and reduce damage to the photoelectric encoder. In addition, the protective cover and support plate, reinforcement plate, and anti-interference layer are all made of metal, which can conduct and transfer the heat generated by the operation of the photoelectric encoder. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure inside the shaft sleeve of the utility model;

[0025] Figure 4 It is an enlarged view of Figure A of the present utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the reinforcement component of the utility model;

[0027] Figure 6 This is a schematic diagram of the structure of the output shaft seal of the utility model;

[0028] In the figure: 1. Photoelectric encoder body; 11. Main shaft; 12. Sealing groove; 13. Connecting wire; 2. Protective cover; 21. Threaded groove; 3. Reinforcement component; 31. Support plate; 32. Reinforcement plate; 33. Anti-interference layer; 4. Anti-interference connection structure; 41. Anti-interference cover; 42. Docking ring; 43. Absorbent cotton 1; 44. Bushing; 441. Sealing sleeve; 442. Absorbent cotton 2; 443. Sealing gasket; 5. Clamping structure; 51. L-shaped clamping plate; 52. Rubber pad. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0030] The utility model provides a technical solution: Figure 1 and Figure 2 As shown, in this embodiment, an anti-interference connection structure of a photoelectric encoder includes a photoelectric encoder body 1, a protective cover 2 is provided on the outside of the photoelectric encoder body 1, a threaded groove 21 is provided on the top side of the protective cover 2, a reinforcement component 3 is fixedly installed on the inside of the protective cover 2, and an anti-interference connection structure 4 is installed in the threaded groove 21. The output end of the photoelectric encoder body 1 is provided with a main shaft 11, and a sealing groove 12 is provided on the outer surface of the main shaft 11. A connecting line 13 is provided at the interface end of the photoelectric encoder body 1. Three sealing grooves 12 are provided, and the absorbent cotton 442 and the sealing gasket 443 are both clamped in the sealing groove 12. The anti-interference cover 41 is connected to the protective cover 2 by a threaded connection, and the absorbent cotton 43 can absorb small water droplets collected in the threaded groove 21.

[0031] like Figure 2 and Figure 5 As shown, the reinforcement component 3 includes a support plate 31, which is arranged on the inner side of the protective cover 2 and is arranged in a circumferential direction. A reinforcement plate 32 is arranged between two adjacent support plates 31, and an anti-interference layer 33 is fixedly connected to the inner side of the support plate 31 and the reinforcement plate 32. The reinforcement component 3 can provide strong protection for the photoelectric encoder and reduce the damage to the photoelectric encoder. In addition, the protective cover 2 and the support plate 31, the reinforcement plate 32, and the anti-interference layer 33 are all made of metal, which can conduct and transfer the heat generated by the operation of the photoelectric encoder.

[0032] like Figure 3 、 Figure 4 and Figure 6As shown, the anti-interference connection structure 4 includes an anti-interference cover 41, a shaft sleeve 44 is fixedly connected to the middle part of the anti-interference cover 41, a sealing sleeve 441 is provided with a bolt on the top side of the shaft sleeve 44, a water-absorbing cotton 2 442 is provided above the inner wall of the shaft sleeve 44, two water-absorbing cotton 2 442 are provided above and below, and a sealing gasket 443 is provided below the inner wall of the shaft sleeve 44, and a docking ring 42 is fixedly connected to the bottom side of the anti-interference cover 41, the docking ring 42 is threadedly connected to the thread groove 21, and a water-absorbing cotton 1 43 is provided on the bottom side of the docking ring 42. By arranging a protective cover 2 and an anti-interference connection structure 4 on the outside of the photoelectric encoder body 1, the photoelectric encoder body 1 is in a fully protected state in a harsh environment, thereby reducing the interference of external factors on the photoelectric encoder and affecting the detection effect. In addition, a clamped water-absorbing cotton 2 442 and a sealing gasket 443 are provided on the main shaft 11 to further block the entry of water mist and dust, and have a rational sealing effect, thereby effectively protecting the photoelectric encoder, avoiding external interference, improving the detection effect and extending the service life of the photoelectric encoder.

[0033] like Figure 1 As shown, a snap-fit ​​structure 5 is installed equidistantly above the outer surface of the protective cover 2, and the snap-fit ​​structure 5 includes an L-shaped snap-fit ​​plate 51, which is movably connected to the protective cover 2 through a connecting piece, and a rubber pad 52 is provided on the bottom side of the L-shaped snap-fit ​​plate 51. The protective cover 2 and the support plate 31, the reinforcement plate 32, and the anti-interference layer 33 are made of metal. By installing the snap-fit ​​structure 5, the anti-interference cover 41 is further connected through the L-shaped snap-fit ​​plate 51 to prevent the anti-interference cover 41 from loosening.

[0034] The utility model provides an anti-interference connection structure of a photoelectric encoder, and the specific working principle is as follows: a flexible water-absorbing cotton 2442 and a sealing gasket 443 are inserted into the sealing groove 12 on the main shaft 11, and then the anti-interference cover 41 is threadedly connected to the thread groove 21 by rotation. The provided water-absorbing cotton 143 absorbs small water droplets collected in the thread groove 21, and then the L-shaped clamping plate 51 is clamped on the anti-interference cover 41 by rotation to tighten it, so that 1 is fully protected in harsh environments and effectively resists interference.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-interference connection structure of a photoelectric encoder, comprising a photoelectric encoder body (1), characterized in that: A protective cover (2) is provided on the outside of the photoelectric encoder body (1), a thread groove (21) is provided on the top side of the protective cover (2), a reinforcement component (3) is fixedly installed on the inside of the protective cover (2), and an anti-interference connection structure (4) is installed in the inner thread of the thread groove (21); The anti-interference connection structure (4) includes an anti-interference cover (41), a shaft sleeve (44) is fixedly connected to the middle of the anti-interference cover (41), a sealing sleeve (441) is provided on the top bolt of the shaft sleeve (44), a second absorbent cotton (442) is provided above the inner wall of the shaft sleeve (44), two of the second absorbent cotton (442) are provided above and below, and a sealing gasket (443) is provided below the inner wall of the shaft sleeve (44).

2. The anti-interference connection structure of a photoelectric encoder according to claim 1, characterized in that: The output end of the photoelectric encoder body (1) is provided with a main shaft (11), the outer surface of the main shaft (11) is provided with a sealing groove (12), and the interface end of the photoelectric encoder body (1) is provided with a connecting line (13).

3. The anti-interference connection structure of a photoelectric encoder according to claim 2, characterized in that: The sealing grooves (12) are provided with three pieces, and the absorbent cotton (442) and the sealing gasket (443) are both clamped in the sealing grooves (12).

4. The anti-interference connection structure of a photoelectric encoder according to claim 1, characterized in that: The reinforcement assembly (3) comprises a support plate (31), the support plate (31) being arranged inside the protective cover (2) and arranged in a circumferential direction, a reinforcement plate (32) being arranged between two adjacent support plates (31), and an anti-interference layer (33) being fixedly connected to the inner sides of the support plate (31) and the reinforcement plate (32).

5. The anti-interference connection structure of a photoelectric encoder according to claim 1, characterized in that: The bottom side of the anti-interference cover (41) is fixedly connected with a docking ring (42), the docking ring (42) is threadedly connected to the thread groove (21), and the bottom side of the docking ring (42) is provided with a water-absorbing cotton (43).

6. The anti-interference connection structure of a photoelectric encoder according to claim 1, characterized in that: A snap-fit ​​structure (5) is equidistantly installed above the outer surface of the protective cover (2), the snap-fit ​​structure (5) comprising an L-shaped snap-fit ​​plate (51), the L-shaped snap-fit ​​plate (51) being movably connected to the protective cover (2) via a connecting piece, and a rubber pad (52) being provided on the bottom side of the L-shaped snap-fit ​​plate (51).

7. The anti-interference connection structure of a photoelectric encoder according to claim 1, characterized in that: The protective cover (2), the support plate (31), the reinforcement plate (32), and the anti-interference layer (33) are made of metal.

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